Freeman Bibliographical Database
| Identifier: | A6886 |
| Date: | 1871 |
| Concise reference: | Newton, Alfred. 1871. On a remarkable sexual peculiarity in an Australian species of duck. Proceedings of the Zoological Society of London 39 no. 3: 649-651. [CUL-DAR.LIB.PER-U1397] |